Summary report Submitted to Submitted by Transport for London AECOM 12 Regan Way Chilwell Nottingham NG9 6RZ United Kingdom Road safety standards for construction, supply and waste sites AECOM Page i Prepared by: Matthew Wainwright and Joanne Edwards Checked by: Johan Els Approved by: Paul Edwards 12 Regan Way, Chilwell, Nottingham, NG9 6RZ, United Kingdom Telephone: 0115 907 7000 Website: http://www.aecom.com Road safety standards for construction, supply and waste sites December 2016 AECOM Page ii Limitations AECOM Infrastructure & Environment UK Limited (“AECOM”) has prepared this Report for the sole use of Transport for London in accordance with the Agreement under which our services were performed. No other warranty, expressed or implied, is made as to the professional advice included in this Report or any other services provided by AECOM. 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Road safety standards for construction, supply and waste sites December 2016 AECOM Page iii Contents Executive Summary ......................................................................................................................... 1 1 Introduction ............................................................................................................................... 2 1.1 Research Rational ................................................................................................................ 2 1.2 Research Methodology ........................................................................................................ 3 2 Tipper Truck Variants ............................................................................................................... 4 2.1 Standard (N3) ...................................................................................................................... 4 2.2 Low Entry Cab (LEC) ........................................................................................................... 4 2.3 Off- road capable (N3G) ....................................................................................................... 4 2.4 Vehicle Design Data ............................................................................................................. 5 3 Ground Conditions ................................................................................................................... 7 3.1 Paved ................................................................................................................................... 8 3.2 Unpaved .............................................................................................................................. 9 3.3 Materials ............................................................................................................................ 10 3.4 Rutting ............................................................................................................................... 11 3.5 Approach Angles ................................................................................................................ 12 3.6 Loose Material & Debris ..................................................................................................... 13 3.7 Water ................................................................................................................................. 14 4 CLOCS Site Assessment Handbook ...................................................................................... 15 4.1 CLOCS 5............................................................................................................................ 16 4.2 CLOCS 4............................................................................................................................ 16 4.3 CLOCS 3............................................................................................................................ 16 4.4 CLOCS 2............................................................................................................................ 16 4.5 CLOCS 1............................................................................................................................ 17 5 Construction, Supply and Waste Site Mapping and Assessment ....................................... 18 5.1 Construction Sites .............................................................................................................. 19 5.2 Waste Sites ........................................................................................................................ 20 5.3 Cement Works ................................................................................................................... 23 5.4 Concrete Batching Plants ................................................................................................... 24 5.5 Asphalt Plants .................................................................................................................... 25 5.6 Aggregate Served Railheads.............................................................................................. 26 5.7 Aggregate Served Wharfs .................................................................................................. 27 6 Global Best Practice ............................................................................................................... 28 6.1 Scandinavia ....................................................................................................................... 28 6.2 Ground Improvement ......................................................................................................... 29 7 Stakeholder Consultation ....................................................................................................... 32 8 Conclusions ............................................................................................................................ 33 9 Recommendations .................................................................................................................. 34 Acknowledgements ....................................................................................................................... 35 List of Appendices Appendix A. Site Visit Case Studies Appendix B. Supply and Waste Sites in London Boroughs Appendix C. All Mapped and Assessed Waste Sites Appendix D. PowerBI for Waste and Supply Site Directory Appendix E. CLOCS App Concepts Road safety standards for construction, supply and waste sites December 2016 AECOM Page iv List of Tables Table 2-1 LEC, N3 and N3G vehicle variant capabilities ................................................................... 5 Table 4-1 Assessment criteria ......................................................................................................... 15 Table 4-2 Site assessment ratings .................................................................................................. 16 Table 5-1 Cement work operators and locations in the South East, East and East Midlands .......... 23 Table 5-2 Concrete batching plant operators and locations in Greater London ............................... 24 Table 5-3 Asphalt plant operators and locations in Greater London ...............................................